vulnerability
Red Hat: CVE-2023-52340: kernel: ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:A/AC:L/Au:N/C:N/I:N/A:C) | Jan 22, 2024 | May 23, 2024 | Aug 11, 2025 |
Severity
6
CVSS
(AV:A/AC:L/Au:N/C:N/I:N/A:C)
Published
Jan 22, 2024
Added
May 23, 2024
Modified
Aug 11, 2025
Description
The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed easily, e.g., leading to a denial of service (network is unreachable errors) when IPv6 packets are sent in a loop via a raw socket.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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